<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>警方登录入口</h1>
    <form action="/police/login" method="post">
        <input name="username"><br/>
        <input name="password"/>
        <button type="submit">登录</button>
    </form>
</body>
</html>